There is huge number of incorrect or missing sounds.
Missing that I currently find are (object == sound needed):
Cover of Darkness == like cartographer
Subterranean Gate == like keymaster
Altar of Sacrifice, Black Market, Abandoned Mine, Den's of Thieves == like skeleton
University == one like star axis
Dwellings (include refuge camp) == dwelling sound
Garrison (include anti-magic) == one like dwellings (DO NOT PLAYED after battle won)
Hill Fort == one from dwellings
Seer's hut = need to use like guard use currently
Whirlpool == like sirens
Trading post, tavern, war machine factory == ???
Monolith two way == ???
Quest Guard == currently using seer's hut sound while have to use sound like original guard (keymaster)
Quest Guard pick sound == (probably like in pandora box)
Pandora Box == using seer's hut while have to use one like abandoned mine
Magic Spring == currently using water wheel sound, but need to use magic well
Crypt = currently like any bank, but have to use one from warrior's tomb
Dragon Utopia = have to use own unique sound, currently using one for bank
Shipwreck Survivor == artifact found sound